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[client] audio: allow the audiodev to determine the start fill level

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This commit is contained in:
Geoffrey McRae
2022-01-19 01:52:19 +11:00
parent 46da447429
commit 04ae9217e8
4 changed files with 36 additions and 23 deletions
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30
client/audiodevs/PipeWire/pipewire.c
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@@ -53,6 +53,7 @@ struct PipeWire
int sampleRate;
int stride;
LG_AudioPullFn pullFn;
int startFrames;
StreamState state;
}
@@ -224,17 +225,17 @@ static void pipewire_playbackSetup(int channels, int sampleRate,
pipewire_playbackStopStream();
int bufferFrames = sampleRate / 10;
pw.playback.channels = channels;
pw.playback.sampleRate = sampleRate;
pw.playback.stride = sizeof(uint16_t) * channels;
pw.playback.pullFn = pullFn;
int maxLatencyFrames = bufferFrames / 2;
char maxLatency[32];
snprintf(maxLatency, sizeof(maxLatency), "%d/%d", maxLatencyFrames,
sampleRate);
pw.playback.channels = channels;
pw.playback.sampleRate = sampleRate;
pw.playback.stride = sizeof(uint16_t) * channels;
pw.playback.pullFn = pullFn;
pw.playback.startFrames = maxLatencyFrames;
pw_thread_loop_lock(pw.thread);
pw.playback.stream = pw_stream_new_simple(
pw.loop,
@@ -278,10 +279,12 @@ static void pipewire_playbackSetup(int channels, int sampleRate,
pw_thread_loop_unlock(pw.thread);
}
static void pipewire_playbackStart(void)
static bool pipewire_playbackStart(int framesBuffered)
{
if (!pw.playback.stream)
return;
return false;
bool start = false;
if (pw.playback.state != STREAM_STATE_ACTIVE &&
pw.playback.state != STREAM_STATE_RESTARTING)
@@ -291,13 +294,18 @@ static void pipewire_playbackStart(void)
switch (pw.playback.state)
{
case STREAM_STATE_INACTIVE:
pw_stream_set_active(pw.playback.stream, true);
pw.playback.state = STREAM_STATE_ACTIVE;
if (framesBuffered >= pw.playback.startFrames)
{
pw_stream_set_active(pw.playback.stream, true);
pw.playback.state = STREAM_STATE_ACTIVE;
start = true;
}
break;
case STREAM_STATE_FLUSHING:
// We were preparing to stop; just carry on as if nothing happened
pw.playback.state = STREAM_STATE_ACTIVE;
start = true;
break;
case STREAM_STATE_DRAINING:
@@ -312,6 +320,8 @@ static void pipewire_playbackStart(void)
pw_thread_loop_unlock(pw.thread);
}
return start;
}
static void pipewire_playbackStop(void)